MRK insider buying
1 cluster buyMerck & Co., Inc. · Healthcare
When two or more insiders at Merck & Co., Inc. buy MRK on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in MRK plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Feb 5 – Feb 6, 2025Detected Feb 6, 20252 insidersTotal bought$1.6MMarket cap$313.1B
All notable open-market buys in MRK
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Feb 6, 2025 | THULIN INGE Gcluster Director | 2,832.86 | $88.25 | $250.0K | SEC ↗ |
| Feb 5, 2025 | BAKER DOUGLAS M JRcluster Director | 15,000 | $88.50 | $1.3M | SEC ↗ |
More Healthcare stocks with insider cluster buys
MRK insider buying — FAQ
- Are insiders buying MRK stock?
- Yes — 2 distinct insiders have bought MRK (Merck & Co., Inc.) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was Feb 7, 2025.
- How much MRK stock have insiders bought?
- Insiders have bought a combined $1.6M of MRK across 2 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in MRK?
- A cluster buy is two or more distinct Merck & Co., Inc. insiders — officers, directors, or 10% owners — each buying MRK on the open market within a rolling window. MRK has 1 detected cluster buy to date.
- Where does this MRK insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in MRK
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy MRK within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding MRK.